Simultaneous oxidative conversion and CO2 reforming of methane to syngas over Ni/vermiculite catalysts |
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| Affiliation: | 1. Xinjiang Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Urumqi 830011, PR China;2. University of the Chinese Academy of Sciences, Beijing 100049, PR China;3. Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, PR China |
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| Abstract: | Modified-vermiculite supported Ni catalysts were prepared and characterized by XRD, BET, TGA, TPR and TEM. The catalytic activity of these catalysts for simultaneous oxidative conversion and CO2 reforming of methane to syngas was evaluated. The results indicated that vermiculite has a great potential as a support of Ni component due to its excellent thermal stability. Among these catalysts, the expanded-vermiculite supported Ni catalyst exhibited the highest catalytic activity and stability. It was found that Ni oxides supported on vermiculite was reduced more easily and also Ni-based vermiculite catalysts suppressed coke depositing in the reaction, in comparison with alumina-supported Ni catalyst. |
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